Assignment:
NOTE: Answers should be both clear and specific. You MAY use your textbook to seek information and clarification, but you MUST paraphrase appropriately and provide references for the material. Failure to do so represents plagiarism and will be managed according to the policy in the student handbook.
• Compare and contrast skeletal and smooth muscle contraction and relaxation.
• Compare and contrast single-unit and multi-unit smooth muscle cells.
• Describe the role of t-tubules in skeletal muscle cells. What structures do t-tubules have that permit these functions to occur?
• Explain the entire sequence of events that occurs from directly after a motor neuron releases neurotransmitter into the neuromuscular junction until a skeletal muscle cell relaxes.
• Explain the relationship between length and tension in muscle cells
• If a patient produces too much cortisol, how would that affect CRH and ACTH? How would excess cortisol affect blood glucose levels?
How would excess cortisol impact immune function?
• Please explain the mechanisms by which our body regulates blood Ca+2 levels.
• Explain the role of FSH and LH in males. If either did not function properly, what would be a consequence?
• List, in order, the structures sperm must pass through during ejaculation.
• What do estrogen and progesterone do in women? What would happen if estrogen was not present? If progesterone was not present?
• Explain what occurs throughout the menstrual cycle.
• How is ovulation triggered in females?
• What does TSH do? Explain the sequence of cellular events that occurs from when TSH binds to its target receptor to the cell's response.
• What is glucagon's main target? What does it do?
• Explain how we maintain adequate blood glucose concentrations in both the fed and fasted states.
• What does the posterior pituitary gland secrete? What do those hormones do?
• Explain what happens to oxytocin, prolactin and dopamine when a mother nurses her child.
Readings:
Human Physiology-An Intergrated Approach
By Dee Unglaub Silverthron